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Search results on 06/17/13
11253. Maxwell, B.D. and C. Ghersa. 1992. The influence of weed seed dispersion versus the effect of competition on crop yield.. Weed Technology 6:196-204.
Model simulations of foxtail and wheat indicated that seed dispersal from a weed species invading a field may have a more important influence on crop yield than the relative competitive ability of the weed with respect to the crop, depending on the nature of its dispersal. Harvest machines may be an important mechanism for dispersing weed seeds that are harvested with the crop. The practical implication is to make harvesters weed seed 'predators' rather than dispersal agents, and thereby reduce herbicide and mechanical weed control inputs.